139619912 has 32 divisors (see below), whose sum is σ = 277758720. Its totient is φ = 65568000.

The previous prime is 139619903. The next prime is 139619933. The reversal of 139619912 is 219916931.

It is a self number, because there is not a number n which added to its sum of digits gives 139619912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101453 + ... + 102819.

It is an arithmetic number, because the mean of its divisors is an integer number (8679960).

Almost surely, 2^139619912 is an apocalyptic number.

It is an amenable number.

139619912 is a deficient number, since it is larger than the sum of its proper divisors (138138808).

139619912 is a wasteful number, since it uses less digits than its factorization.

139619912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141 (or 2137 counting only the distinct ones).

The product of its digits is 26244, while the sum is 41.

The square root of 139619912 is about 11816.0870003568. The cubic root of 139619912 is about 518.7790784106.

The spelling of 139619912 in words is "one hundred thirty-nine million, six hundred nineteen thousand, nine hundred twelve".